Questions tagged [level-of-detail]
86 questions
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1 answer
Why no access to texture lod in fragment shader
I'm trying to come to terms with the level of detail of a mipmapped texture in an OpenGL ES 2.0 fragment shader.
According to this answer it is not possible to use the bias parameter to texture2D to access a specific level of detail in the fragment…
MvG
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4 answers
How can I convert a regular grid of heights to a triangular irregular network?
I'm looking for an algorithm that converts a regular grid of heights (e.g. 1024x1024) to a triangular irregular network. Here is an image showing an example of a triangular irregular network:
I've looked in the internet for an algorithms to convert…
Karl Schmidt
1
vote
1 answer
Ogre material lod: How do i set it up?
I have an Ogre material and, since i'm not happy with the GPU filtering, i want to make a manual mipmapping, i.e, i create all the textures, and then i set up a lod-based strategy to load the correct texture.
The problem is: it doensn't matter…
tkcast
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1 answer
Tableau Get the Max Date for each employee based on one condition
I'm new to Tableau. I ran into a challenge and cannot find solution online.
I have a dataset about employee's task completion KPI. For each employee, he/she gets a list of assignment items. Each assignment item has the assignment date. If the…
vivianna
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LOD function in Tableau to get previous row values (lag)
I'm trying to create a customer feedback dashboard. I have a table with week, store name, fulfillment level data. I want to create a tableau viz which has the current value of KPI and 6 week ago value of the same KPI. These KPIs are calculated…
neha
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Using IF statement with Fixed LOD
Excel1enter image description here Excel2 enter image description here output expected in tableau enter image description here
I am having two data sources. One is Excel_1 and other coming from Excel_2. Now I have to extract some rows' data…
Shazzy
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modifying triangles and vertices on react-three-fiber mesh after render
I'm trying to recreate some old Unity QuadSphere code with a @react-three/fiber version, and I've written a quick test that creates a custom class, QuadGeometry extending from THREE.BufferGeometry in which I generate my vertices and indices. The…
bicarbon8
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Tableau calculated field with coarser level of detail
I can't follow Tableau's examples on level of detail and I'm hoping someone can help.
I have row-level data that shows daily revenue. But I need to share that revenue with another party according to a fixed scale that's dependent on the total…
AJDncnsn
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1 answer
Computing the distance at which one cell of an axis aligned grid projects to one pixel on screen
Given an axis-aligned uniform grid in the X/Y plane (world space) in a 3D scene and a virtual camera looking at this grid from a certain position and direction. How can I calculate the distance I need to move the camera along its line of sight so…
mkh
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2 answers
Tableau LOD (i think)
I am trying to create a visualisation where i can see where a product has passed 2 tests: test=overall and test=flash (these are part of the same column). then there is a column result which can be pass/fail. i want both of these tests to be pass…
jenmul90
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3 answers
Extract Last Value as Metric from Table Calculation in Tableau?
I have raw data in Tableau that looks like:
Month,Total
2021-08,17
2021-09,34
2021-10,41
2021-11,26
2021-12,6
And by using the following calculation
RUNNING_SUM(
COUNTD(IF [Inserted At]>=[Parameters].[Start Date]
AND [Inserted At]<=[End…
Mark McGown
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1 answer
How to for loop in Tableau when you have a combined primary key
Hi Everybody and thanks in advance to whom will answer my question:
I think I need a for loop in tableau and looking for a working around;
my table has the following structure
id, id_detail, result
1 1 fail
1 2 pass
1 3 …
CCC
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How to partition running_sum calculation in Tableau?
I currently am trying to accomplish the following SQL within Tableau's LOD + table expressions:
SELECT PATIENTID,CLINIC_ID,DATE,QUANTITY,SUM(QUANTITY) OVER (PARTITION BY PATIENTID ORDER BY DATE ASC) AS RUNNING_TOTAL
FROM "MY_SCHEMA".MY_SUMMARY
ORDER…
Mark McGown
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0
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1 answer
TABLEAU Totals not matching what's in view
I've been dealing with this issue in various ways throughout my time with this dataset in Tableau.
As you can see, the Total count of properties for each city is including properties that have been successfully filtered out of view. Why? The…
Christian
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0
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1 answer
Count rows that meet certain requirements and then subtract that number from another count
Let's say I have data like…
Jens
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